Revision 7486607c874de3e44d33f152775fd073de2ba2c0 authored by Brad King on 20 September 2017, 11:53:03 UTC, committed by Brad King on 20 September 2017, 11:53:03 UTC
1 parent 8dae0ab
cmPolicies.h
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef cmPolicies_h
#define cmPolicies_h
#include "cmConfigure.h" // IWYU pragma: keep
#include <bitset>
#include <string>
class cmMakefile;
#define CM_FOR_EACH_POLICY_TABLE(POLICY, SELECT) \
SELECT(POLICY, CMP0000, \
"A minimum required CMake version must be specified.", 2, 6, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0001, \
"CMAKE_BACKWARDS_COMPATIBILITY should no longer be used.", 2, 6, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0002, "Logical target names must be globally unique.", 2, \
6, 0, cmPolicies::WARN) \
SELECT( \
POLICY, CMP0003, \
"Libraries linked via full path no longer produce linker search paths.", \
2, 6, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0004, \
"Libraries linked may not have leading or trailing whitespace.", 2, \
6, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0005, \
"Preprocessor definition values are now escaped automatically.", 2, \
6, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0006, \
"Installing MACOSX_BUNDLE targets requires a BUNDLE DESTINATION.", \
2, 6, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0007, "list command no longer ignores empty elements.", \
2, 6, 0, cmPolicies::WARN) \
SELECT( \
POLICY, CMP0008, \
"Libraries linked by full-path must have a valid library file name.", 2, \
6, 1, cmPolicies::WARN) \
SELECT(POLICY, CMP0009, \
"FILE GLOB_RECURSE calls should not follow symlinks by default.", 2, \
6, 2, cmPolicies::WARN) \
SELECT(POLICY, CMP0010, "Bad variable reference syntax is an error.", 2, 6, \
3, cmPolicies::WARN) \
SELECT(POLICY, CMP0011, \
"Included scripts do automatic cmake_policy PUSH and POP.", 2, 6, 3, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0012, "if() recognizes numbers and boolean constants.", \
2, 8, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0013, "Duplicate binary directories are not allowed.", 2, \
8, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0014, "Input directories must have CMakeLists.txt.", 2, \
8, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0015, \
"link_directories() treats paths relative to the source dir.", 2, 8, \
1, cmPolicies::WARN) \
SELECT(POLICY, CMP0016, \
"target_link_libraries() reports error if its only argument " \
"is not a target.", \
2, 8, 3, cmPolicies::WARN) \
SELECT(POLICY, CMP0017, \
"Prefer files from the CMake module directory when including from " \
"there.", \
2, 8, 4, cmPolicies::WARN) \
SELECT(POLICY, CMP0018, \
"Ignore CMAKE_SHARED_LIBRARY_<Lang>_FLAGS variable.", 2, 8, 9, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0019, \
"Do not re-expand variables in include and link information.", 2, 8, \
11, cmPolicies::WARN) \
SELECT(POLICY, CMP0020, \
"Automatically link Qt executables to qtmain target on Windows.", 2, \
8, 11, cmPolicies::WARN) \
SELECT( \
POLICY, CMP0021, \
"Fatal error on relative paths in INCLUDE_DIRECTORIES target property.", \
2, 8, 12, cmPolicies::WARN) \
SELECT(POLICY, CMP0022, \
"INTERFACE_LINK_LIBRARIES defines the link interface.", 2, 8, 12, \
cmPolicies::WARN) \
SELECT( \
POLICY, CMP0023, \
"Plain and keyword target_link_libraries signatures cannot be mixed.", 2, \
8, 12, cmPolicies::WARN) \
SELECT(POLICY, CMP0024, "Disallow include export result.", 3, 0, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0025, "Compiler id for Apple Clang is now AppleClang.", \
3, 0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0026, "Disallow use of the LOCATION target property.", 3, \
0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0027, \
"Conditionally linked imported targets with missing include " \
"directories.", \
3, 0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0028, \
"Double colon in target name means ALIAS or IMPORTED target.", 3, 0, \
0, cmPolicies::WARN) \
SELECT(POLICY, CMP0029, "The subdir_depends command should not be called.", \
3, 0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0030, \
"The use_mangled_mesa command should not be called.", 3, 0, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0031, "The load_command command should not be called.", \
3, 0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0032, \
"The output_required_files command should not be called.", 3, 0, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0033, \
"The export_library_dependencies command should not be called.", 3, \
0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0034, "The utility_source command should not be called.", \
3, 0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0035, \
"The variable_requires command should not be called.", 3, 0, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0036, "The build_name command should not be called.", 3, \
0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0037, \
"Target names should not be reserved and should match a validity " \
"pattern.", \
3, 0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0038, "Targets may not link directly to themselves.", 3, \
0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0039, "Utility targets may not have link dependencies.", \
3, 0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0040, \
"The target in the TARGET signature of add_custom_command() must " \
"exist.", \
3, 0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0041, \
"Error on relative include with generator expression.", 3, 0, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0042, "MACOSX_RPATH is enabled by default.", 3, 0, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0043, "Ignore COMPILE_DEFINITIONS_<Config> properties.", \
3, 0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0044, \
"Case sensitive <LANG>_COMPILER_ID generator expressions.", 3, 0, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0045, \
"Error on non-existent target in get_target_property.", 3, 0, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0046, \
"Error on non-existent dependency in add_dependencies.", 3, 0, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0047, "Use QCC compiler id for the qcc drivers on QNX.", \
3, 0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0048, "project() command manages VERSION variables.", 3, \
0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0049, \
"Do not expand variables in target source entries.", 3, 0, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0050, "Disallow add_custom_command SOURCE signatures.", \
3, 0, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0051, "List TARGET_OBJECTS in SOURCES target property.", \
3, 1, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0052, "Reject source and build dirs in installed " \
"INTERFACE_INCLUDE_DIRECTORIES.", \
3, 1, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0053, \
"Simplify variable reference and escape sequence evaluation.", 3, 1, \
0, cmPolicies::WARN) \
SELECT( \
POLICY, CMP0054, \
"Only interpret if() arguments as variables or keywords when unquoted.", \
3, 1, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0055, "Strict checking for break() command.", 3, 2, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0056, \
"Honor link flags in try_compile() source-file signature.", 3, 2, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0057, "Support new IN_LIST if() operator.", 3, 3, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0058, \
"Ninja requires custom command byproducts to be explicit.", 3, 3, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0059, \
"Do not treat DEFINITIONS as a built-in directory property.", 3, 3, \
0, cmPolicies::WARN) \
SELECT(POLICY, CMP0060, \
"Link libraries by full path even in implicit directories.", 3, 3, \
0, cmPolicies::WARN) \
SELECT(POLICY, CMP0061, \
"CTest does not by default tell make to ignore errors (-i).", 3, 3, \
0, cmPolicies::WARN) \
SELECT(POLICY, CMP0062, "Disallow install() of export() result.", 3, 3, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0063, \
"Honor visibility properties for all target types.", 3, 3, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0064, "Support new TEST if() operator.", 3, 4, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0065, \
"Do not add flags to export symbols from executables without " \
"the ENABLE_EXPORTS target property.", \
3, 4, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0066, \
"Honor per-config flags in try_compile() source-file signature.", 3, \
7, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0067, \
"Honor language standard in try_compile() source-file signature.", \
3, 8, 0, cmPolicies::WARN) \
SELECT(POLICY, CMP0068, \
"RPATH settings on macOS do not affect install_name.", 3, 9, 0, \
cmPolicies::WARN) \
SELECT(POLICY, CMP0069, \
"INTERPROCEDURAL_OPTIMIZATION is enforced when enabled.", 3, 9, 0, \
cmPolicies::WARN)
#define CM_SELECT_ID(F, A1, A2, A3, A4, A5, A6) F(A1)
#define CM_FOR_EACH_POLICY_ID(POLICY) \
CM_FOR_EACH_POLICY_TABLE(POLICY, CM_SELECT_ID)
#define CM_FOR_EACH_TARGET_POLICY(F) \
F(CMP0003) \
F(CMP0004) \
F(CMP0008) \
F(CMP0020) \
F(CMP0021) \
F(CMP0022) \
F(CMP0027) \
F(CMP0038) \
F(CMP0041) \
F(CMP0042) \
F(CMP0046) \
F(CMP0052) \
F(CMP0060) \
F(CMP0063) \
F(CMP0065) \
F(CMP0068) \
F(CMP0069)
/** \class cmPolicies
* \brief Handles changes in CMake behavior and policies
*
* See the cmake wiki section on
* <a href="https://cmake.org/Wiki/CMake/Policies">policies</a>
* for an overview of this class's purpose
*/
class cmPolicies
{
public:
/// Status of a policy
enum PolicyStatus
{
OLD, ///< Use old behavior
WARN, ///< Use old behavior but issue a warning
NEW, ///< Use new behavior
/// Issue an error if user doesn't set policy status to NEW and hits the
/// check
REQUIRED_IF_USED,
REQUIRED_ALWAYS ///< Issue an error unless user sets policy status to NEW.
};
/// Policy identifiers
enum PolicyID
{
#define POLICY_ENUM(POLICY_ID) POLICY_ID,
CM_FOR_EACH_POLICY_ID(POLICY_ENUM)
#undef POLICY_ENUM
/** \brief Always the last entry.
*
* Useful mostly to avoid adding a comma the last policy when adding a new
* one.
*/
CMPCOUNT
};
///! convert a string policy ID into a number
static bool GetPolicyID(const char* id, /* out */ cmPolicies::PolicyID& pid);
///! Get the default status for a policy
static cmPolicies::PolicyStatus GetPolicyStatus(cmPolicies::PolicyID id);
///! Set a policy level for this listfile
static bool ApplyPolicyVersion(cmMakefile* mf, const char* version);
///! return a warning string for a given policy
static std::string GetPolicyWarning(cmPolicies::PolicyID id);
static std::string GetPolicyDeprecatedWarning(cmPolicies::PolicyID id);
///! return an error string for when a required policy is unspecified
static std::string GetRequiredPolicyError(cmPolicies::PolicyID id);
///! return an error string for when a required policy is unspecified
static std::string GetRequiredAlwaysPolicyError(cmPolicies::PolicyID id);
/** Represent a set of policy values. */
struct PolicyMap
{
PolicyStatus Get(PolicyID id) const;
void Set(PolicyID id, PolicyStatus status);
bool IsDefined(PolicyID id) const;
bool IsEmpty() const;
private:
#define POLICY_STATUS_COUNT 3
std::bitset<cmPolicies::CMPCOUNT * POLICY_STATUS_COUNT> Status;
};
};
#endif
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